Galvanized Steel Model RV Type B Gas Vent Pipe, 4" x 3", 28 Gauge

Model RV Double Wall Gas Vent is the installer's choice for residential, industrial and light commercial applications. The aluminum liner heats up quickly to promote strong draft. Galvanized outer provides protection against outdoor elements. Product line includes DWC Double Wall Connectors and EFC Expandable Flex Connectors. The RV line of Selkirk round vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications. Size: 4" x 3"